Language set as English (UK) but uses English (US)
Please tell us some basic information before asking for help:
- Model Name: Zenfone 9
- Firmware Version: WW_32.2040.2040.23
- Rooted or not: not
- Frequency of Occurrence: always
- APP Name & APP Version (If your issue relates to the app): Settings + pretty much all Asus built-in apps have US spellings
In most apps: colour spelt without u (mainly the settings app but also the calc settings, clock settings, phone dialer app settings, contacts settings, etc) and other words that should have a u ('Favourites' in File manager). There's a lot of 'ize/izing' endings where 'ise/ising' is more common in UK English.